1、人教版初二数学上册多项式乘多项式练习题精选42 (x4)(3x4) (xy)(2xy) (xy)(x2xyy2) (2m8n)(mn) (a1)2 (3ab)(4a6b) (2x23)(4x6) (3x23x3)(x1) (x3)(x3) (x1)(x6) (y3)(y3) (y3)(y1) (x3)(5x3) 4a(5a2b) (2x7y)(8x) 3 1 (ab36ab)ab2 x(x1)2x(x3)x(4x4) 4 3 (2x9)(2x5) (2x3y)(xy) (xy)(x22xyy2) (3mn)(m9n) (3a3)2 (4a5b)(2a9b) (x22)(4x7) (2x2x1)
2、(3x2) (x1)(x1) (x2)(x1) (y2)(y3) (y3)(y3) (3x2)(2x5) 8a(3a9b) (6x3y)(8x) 5 1 (ab32ab)ab3 2x(4x4)x(3x3)3x(x1) 6 5 (x7)(x8) (xy)(4x4y) (3xy)(x2xyy2) (3mn)(mn) (a2)2 (4a9b)(4a7b) (x24)(x5) (4x24x1)(4x3) (x2)(x2) (x2)(x1) (y1)(y2) (y3)(y1) (x3)(9x2) 9a(5a3b) (7x3y)(7x) 5 1 (ab32ab)ab2 2x(x2)3x(x1)4x(x4)
3、 4 5 (x7)(x8) (x8y)(2xy) (2xy)(x22xyy2) (m4n)(mn) (a4)2 (4ab)(3a2b) (x26)(x1) (4x2x2)(3x2) (x2)(x2) (x4)(x3) (y4)(y2) (y3)(y3) (x4)(9x9) 8a(5a8b) (3x2y)(7x) 4 1 (ab33ab)ab2 2x(x3)4x(x2)x(x4) 3 4 (3x9)(x6) (2xy)(2x6y) (2x3y)(x2xyy2) (m2n)(m6n) (a2)2 (4a8b)(ab) (2x28)(2x7) (x2x1)(x2) (x4)(x2) (x3)(x3)
4、 (y3)(y2) (y4)(y1) (x4)(9x7) 4a(6a6b) (7x2y)(8x) 5 1 (ab24ab)ab x(2x2)3x(x1)x(3x4) 6 5 (2x6)(x1) (3x5y)(x7y) (3xy)(x2xyy2) (mn)(mn) (a1)2 (a4b)(a7b) (x24)(x4) (4x22x1)(3x3) (x3)(x1) (x4)(x2) (y2)(y3) (y4)(y3) (x4)(9x5) 6a(9a9b) (6x9y)(5x) 4 1 (ab34ab)ab2 2x(x4)x(x1)x(x2) 5 4 (x5)(4x7) (4x9y)(x5y) (3
5、xy)(x23xyy2) (m5n)(4mn) (a3)2 (ab)(4a6b) (x29)(3x6) (2x2x2)(x2) (x2)(x1) (x4)(x1) (y4)(y3) (y2)(y2) (x3)(7x8) 2a(9a7b) (9x2y)(5x) 5 1 (ab34ab)ab2 x(3x4)3x(3x3)2x(x1) 4 5 (2x5)(x1) (xy)(xy) (3xy)(x2xyy2) (4mn)(mn) (a3)2 (a5b)(a3b) (2x25)(x6) (x2x1)(3x1) (x3)(x3) (x3)(x3) (y3)(y3) (y1)(y2) (x3)(5x1) 6
6、a(4a2b) (7x4y)(2x) 4 1 (ab25ab)ab x(x1)2x(x1)x(x3) 5 4 (4x7)(4x4) (2xy)(4x9y) (x2y)(x22xyy2) (3m7n)(3m8n) (a2)2 (a6b)(a7b) (x26)(2x2) (x24x1)(2x2) (x4)(x3) (x6)(x4) (y3)(y2) (y4)(y3) (x2)(9x9) 5a(6a4b) (5x2y)(2x) 3 1 (ab34ab)ab2 x(x3)4x(4x2)x(x2) 4 3 (2x8)(4x4) (2x7y)(xy) (xy)(x23xyy2) (2mn)(mn) (a2
7、)2 (ab)(a6b) (4x27)(4x2) (x22x3)(2x3) (x3)(x1) (x1)(x2) (y2)(y3) (y3)(y1) (9x4)(8x2) 2a(7a7b) (9x2y)(4x) 4 1 (ab22ab)ab3 2x(4x1)x(2x3)4x(4x2) 5 4 (x1)(x1) (xy)(2x2y) (xy)(x2xyy2) (mn)(m9n) (a2)2 (4a6b)(4ab) (x27)(4x3) (4x2x2)(x3) (x1)(x2) (x2)(x6) (y1)(y3) (y2)(y2) (9x4)(3x6) 4a(3a7b) (4x3y)(5x) 4 1
8、 (ab36ab)ab 2x(x4)x(x1)x(x4) 5 4 (x5)(3x2) (x4y)(x9y) (x2y)(x2xyy2) (2mn)(mn) (2a1)2 (a8b)(4ab) (x27)(x9) (3x2x2)(x2) (x1)(x2) (x5)(x6) (y1)(y2) (y4)(y1) (9x4)(9x5) 2a(8a3b) (6x3y)(4x) 4 1 (ab22ab)ab x(4x2)3x(2x4)x(x3) 3 4 (x6)(x5) (3xy)(xy) (3xy)(x23xyy2) (m2n)(m6n) (4a3)2 (4a6b)(a5b) (x22)(x7) (2x
9、23x2)(3x2) (x1)(x3) (x5)(x2) (y1)(y1) (y1)(y1) (9x4)(8x7) 8a(9a9b) (6x7y)(2x) 4 1 (ab26ab)ab3 3x(4x4)x(x1)2x(3x4) 5 4 (x6)(4x5) (x9y)(xy) (2xy)(x22xyy2) (mn)(2m4n) (2a1)2 (a2b)(4a3b) (x24)(x1) (x2x3)(x3) (x3)(x3) (x2)(x1) (y3)(y2) (y3)(y3) (x4)(6x8) 3a(4a4b) (3x4y)(3x) 5 1 (ab33ab)ab3 x(3x3)2x(x3)x(2x1) 4 5 (x2)(x6) (xy)(4x4y) (xy)(x2xyy2) (mn)(2m5n) (a1)2 (ab)(3ab) (4x29)(2x7) (x2x3)(4x3) (x4)(x3) (x1)(x4) (y1)(y1) (y3)(y2) (x2)(9x6) 9a(6a6b) (8x9y)(4x) 6 1 (ab25ab)ab3 x(4x3)2x(3x1)3x(x3) 5 6
